单项选择题

What is the main subject of this passage

A．Mr. Mamedov's life.
B．A description of several societies where people live a long time.
C．Suggestions for how you can live a long life.
D．Hard physical work is a good way to live a long time.

<上一题目录下一题>

热门试题

单项选择题

This article concludes that_________ contribute to the remarkable long life of these peoples.

A．moderate diets
B．clean mountain air
C．daily hard work
D．all the above factors

单项选择题

The passage implies that __________.

A．the fever process is widespread because moderate fevers have benefits
B．the reduction of fevers can inhibit bacterial growth
C．man can use sun lamp to raise lizards' temperature
D．Crayfish injected with bacteria have a purpose for moving to hot areas